stripe-node v7.0.0

Major version release. The migration guide contains a detailed list of backwards-incompatible changes with upgrade instructions.

Pull requests included in this release (cf. #606) (⚠️ = breaking changes):

• ⚠️ Drop support for Node 4, 5 and 7 (#606)
• Prettier formatting (#604)
• Alphabetize “basic” methods (#610)
• Use id for single positional arguments (#611)
• Modernize ES5 to ES6 with lebab (#607)
• ⚠️ Remove deprecated methods (#613)
• Add VSCode and EditorConfig files (#620)
• ⚠️ Drop support for Node 9 and bump dependencies to latest versions (#614)
• Misc. manual formatting (#623)
• ⚠️ Remove legacy parameter support in invoices.retrieveUpcoming() (#621)
• ⚠️ Remove curried urlData and manually specified urlParams (#625)
• Extract resources file (#626)

See the changelog for more details.